r=readline;for(l=r(o="o'clock,",i=4).split(', ');i<13;i+=4)print(l[i-4]+',',l[i-3]+',',l[i-2],o,l[i-1],o,"rock");print(r())
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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